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Kinetics of Ortho-nitrochlorobenzene Hydrogenation on Platinum/Carbon Catalyst

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【Author】 JIANG Chengjun(蒋成君), YIN Hong(尹红) and CHEN Zhirong(陈志荣)Department of Chemical Engineering, Zhejiang University, Hangzhou 310027, China

【机构】 Department of Chemical Engineering Zhejiang University； Hangzhou 310027； China； China；

【摘要】 <正>The kinetics of catalytic hydrogenation of ortho-nitrochlorobenzene to 2,2’-dichloroazoxybenzene on platinum/carbon catalyst is investigated in a slurry reactor with the temperature range of 313-343 K, and ortho-chloroaniline is formed as a byproduct. Models based on Rideal-Eley and Langmuir-Hinshelwood mechanism have been proposed based on the rate data and the kinetic regime. The former model can be used to fit the experimental data better. Reaction controlling steps are physical adsorption of hydrogen and adsorbed ortho-nitrochlorobenzene reacted on the surface of catalyst.更多还原

【Abstract】 The kinetics of catalytic hydrogenation of ortho-nitrochlorobenzene to 2,2’-dichloroazoxybenzene on platinum/carbon catalyst is investigated in a slurry reactor with the temperature range of 313-343 K, and ortho-chloroaniline is formed as a byproduct. Models based on Rideal-Eley and Langmuir-Hinshelwood mechanism have been proposed based on the rate data and the kinetic regime. The former model can be used to fit the experimental data better. Reaction controlling steps are physical adsorption of hydrogen and adsorbed ortho-nitrochlorobenzene reacted on the surface of catalyst.更多还原

【关键词】 platinum/carbon； hydrogenation； ortho-nitrochlorobenzene； kinetics； 2； 2’-dichloroazoxybenzene；
【Key words】 platinum/carbon； hydrogenation； ortho-nitrochlorobenzene； kinetics； 2； 2’-dichloroazoxybenzene；

【文献出处】 Chinese Journal of Chemical Engineering ,中国化学工程学报(英文版) , 编辑部邮箱 ,2004年05期

【分类号】O643.3
【被引频次】3
【下载频次】41

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